00301cam a2200109ua 4500082001800000100002900018245004700047260005900094300001200153942000700165999001900172  a510.1bPER/FI  aPerelman, Yakov  .91770  aFigures for Fun: Stories and Conondrums /   aMoscow : bForeign Language Publishing House , c1959.  a152 ; .  cBK  c337654d337654